Cast
Clancy Cooper
Det. Sgt. Pat Flanagan
Robert Fiske
Investigator Ryan
Lee Phelps
Jailer
Steve Clark
Nazi Agent
Eddie Polo
Special Delivery Messenger
Gregory Gaye
Nazi Agent Feldon
Joseph Crehan
Police Chief Henry Burns
Eddie Dunn
Weather Bureau Man
Ludwig Donath
Nazi Prof. Metzger
Jack Rice
Fred, Jensen's Clerk
Joe Caits
Messenger
Ted Mapes
Nazi Agent
Harry Strang
Henchman
Frank Shannon
Police Commissioner
Stanley Brown
Police Lab Technician
Selmer Jackson
Maj. Henry Barton
Sigfrid Tor
Lt. Kurtz
Dick Botiller
Hans Steufel
Chuck Hamilton
Henchman
Frank LaRue
Weather Bureau Man
Zon Murray
Military Policeman
Ken Carpenter
Newscaster
Franklyn Farnum
Federal Agent
Anne Nagel
Jean Ashley
Rudolph Anders
Rudi Thysson
Lucien Prival
U-499 Commander
Lester Dorr
Otto Stahl
Kit Guard
Henchman Corrick
Wade Boteler
Police Chief Burns
Kenne Duncan
Marvin
Peter Leeds
Henchman Carl Hiecke
Edward Peil Sr.
Policeman
Alex Callam
Investigator Hogan
Joseph W. Girard
Col. Drake
Eddie Gribbon
First Mate
Eddie Kane
Coffee Shop Counterman
James Millican
Reporter Bill
George Lynn
Chief Stover
Jacqueline Dalya
Linda
Paul Kelly
Lt. Dan Barton / The Black Commando
Tom London
Weather Bureau Guard
Trevor Bardette
Jensen
Charles Cahill Wilson
Desk Sgt. Cullen
Lee Shumway
Police Dispatcher
Charles Sullivan
Truck Driver
Eddie Parker
Chief Henchman Berck
John Elliott
Prof. Clyde
Knox Manning
Narrator